@@ -1,15 +1,14 @@
 def fib(x)
 {
-	if( x < 2 ) { 1 }
-	else        { fib(x-1) + fib(x-2) }
+	if x<2 then 1 else fib(x-1) + fib(x-2)
 };
 
-let upto = λ(n, f){
-	if( n > 0 ){ upto(n-1,f) };
+let upto = fun(n, f){
+	if n > 0: upto(n-1,f);
 	f(n)
 };
 
 var compose = fun(f,g){ fun(x){f(g(x))} };
 var "<<" = compose;
 
 upto(16, print<<fib);